Samsung Galaxy S Duos 2 S7582 White Unlocked Quadband-International Version- Android Phone Dispaly- 4.0 inches TFT capacitive touchscreen, 16M colors (~233 ppi pixel density), 480 x 800 pixels Memory- 4 GB (1.8 GB user available), 768 MB RAM, Expandable microSD, up to 64 GB Camera- 5 MP, 2592&#x445;1944 pixels, autofocus, LED flash, Geo-tagging, Secondary- VGA OS- Android OS, v4.2 (Jelly Bean), Dual-core 1.2 GHz Battrey- Li-Ion 1500 mAh battery, Talktime- (2G) / Up to 8 h (3G), Standby- (2G) / Up to 280 h (3G) Unlocked cell phones are compatible with GSM carriers such as AT&T and T-Mobile, but are not compatible with CDMA carriers such as Verizon and Sprint. This cell phone may not include a US warranty as some manufacturers do not honor warranties for international version phones. Please contact the seller for specific warranty information.